Kashima-gun (Loc. 6): Middle Miocene, Japan
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Chondrichthyes
- Carcharhiniformes
- Carcharhinidae
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Carcharhinus priscus
Agassiz 1843
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Carcharhinus egertoni
Agassiz 1843
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Chondrichthyes
- Lamniformes
- Carchariidae
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Eugomphodus cuspidatus
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synonym of Carcharias | ||||||||||
Chondrichthyes
- Lamniformes
- Otodontidae
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Carcharocles megalodon
(Agassiz 1835)
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recombined as Otodus megalodon | ||||||||||
One fragmental tooth specimen (KUE1287) | ||||||||||
Chondrichthyes
- Lamniformes
- Lamnidae
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Isurus desori
Sismonda 1849
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Isurus planus
(Agassiz 1856)
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Isurus hastalis
(Agassiz 1838)
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recombined as Carcharodon hastalis | ||||||||||
Chondrichthyes
- Squalomorphii
- Hexanchidae
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Hexanchus gigas
(Sismonda 1857)
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see common names |
Geography
Country: | Japan | State/province: | Hokuriku |
Coordinates: | 37.1° North, 137.9° East (view map) | ||
Paleocoordinates: | 39.8° North, 135.4° East | ||
Basis of coordinate: | stated in text |
Time
Period: | Neogene | Epoch: | Miocene |
10 m.y. bin: | Cenozoic 5 | ||
Key time interval: | Middle Miocene | ||
Age range of interval: | 15.98000 - 11.63000 m.y. ago |
Stratigraphy
Formation: | Hannoura |
Stratigraphic resolution: | formation |
Lithology and environment
Primary lithology: | conglomerate |
Lithology description: Fine-grained calcareous sandstone and pebbly conglomerate | |
Environment: | marine indet. |
Taphonomy
Modes of preservation: | body |
Size of fossils: | macrofossils |
Collection methods and comments
Collection excludes: | some genera |
Reason for describing collection: | general faunal/floral analysis |
Collection method comments: The described specimens are reposited at the Department of Earth Sciences, Faculty of Science, Kanazawa University. |
Metadata
Database number: | 161495 | ||
Authorizer: | C. Jaramillo | Enterer: | C. Pimiento |
Created: | 2014-09-06 21:13:23 | Last modified: | 2014-09-06 21:13:23 |
Access level: | the public | Released: | 2014-09-06 21:13:23 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
52618. | H. Karasawa. 1989. Late Cenozoic Elasmobranchs from the Hokuriku district, central Japan. The Science reports of the Kanazawa University 34(1):1-57 [C. Jaramillo/C. Pimiento] |